Quantum-Si incorporated QSI
At closeNov 3, 2026, 7:40 PM EST
After hours · Nov 3, 7:40 PM ET
- YTD
- +18.18%
- 1 year
- -35.00%
- Market cap
- 284.55M
- Revenue (ttm)
- 2.27M
- EPS (ttm)
- -0.45
- Shares out
- 155.96M
- Forward P/E
- -1.66
- YTD return
- +18.18%
- 1-year return
- -35.00%
- Volume
- 4.55M
- Avg volume
- 6.22M
- Open
- 1.27
- Previous close
- 1.26
- Day's range
- 1.24 – 1.34
- 52-week range
- 0.69 – 1.95
- Beta
- 2.93
- Price target
- 3.25 (+150.0%)
- Earnings date
- Aug 7, 2024
1m +0.03 (+2.36%)
Key statistics
- Enterprise value
- 3.01M
- PEG ratio
- 0.00
- Price / sales
- 90.16
- Price / book
- 0.89
- Dividend yield
- 0.00%
- Payout ratio
- 0.00%
- Revenue growth
- 252.90%
- Free cash flow
- 0
- Total cash
- 196.34M
- Total debt
- 13.82M
- Return on equity
- -35.79%
- Short % of float
- 10.52%
- 50-day average
- 1.08
- 200-day average
- 1.26
Analyst view
- Target (low)
- 1.00
- Target (mean)
- 3.25
- Target (high)
- 5.50
- Strong buy1
- Buy0
- Hold1
- Sell0
- Strong sell0
Next earnings
Aug 7, 2024
Expected Aug 7, 2024. Consensus EPS estimate -0.19.
Financials — quick view
Earnings
| Report date | Quarter ending | EPS estimate | EPS reported | Surprise | Surprise % |
|---|---|---|---|---|---|
| Nov 12, 2024 | Sep 1, 2024 | -0.21 | -0.18 | +0.03 | +14.29% |
| Aug 7, 2024 | Jun 1, 2024 | -0.21 | -0.16 | +0.05 | +23.81% |
| Aug 7, 2024 | Jun 1, 2024 | -0.21 | — | — | — |
| May 9, 2024 | Mar 1, 2024 | -0.23 | -0.14 | +0.09 | +39.13% |
| May 9, 2024 | Mar 1, 2024 | -0.23 | — | — | — |
| Feb 29, 2024 | Dec 1, 2023 | -0.16 | -0.16 | 0.00 | 0.00% |
Upgrades / downgrades
| Date | Firm | Action | From | To |
|---|---|---|---|---|
| Nov 21, 2024 | HC Wainwright & Co. | main | Buy | Buy |
| Nov 13, 2024 | Canaccord Genuity | main | Hold | Hold |
| Nov 13, 2024 | HC Wainwright & Co. | reit | Buy | Buy |
| May 10, 2024 | HC Wainwright & Co. | reit | Buy | Buy |
| Mar 1, 2024 | HC Wainwright & Co. | main | Buy | Buy |
| Dec 8, 2023 | HC Wainwright & Co. | init | — | Buy |
About Quantum-Si incorporated
Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company's platform is comprised of the Platinum NGPS instrument; the Platinum Analysis Software service; Proteus, transforming proteomic research; and reagent kits and semiconductor chips for use with its instruments. It is used in protein identification, protein variants, antibody characterization, biomarker identification, and post translational modification analysis applications. The company has a collaboration with SkyWaterTechnology for the development of consumable for Proteus, that will enable simultaneous protein sequencing. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.
- Sector
- Healthcare
- Industry
- Medical Devices
- Country
- United States
- Website
- quantum-si.com
News
Head-To-Head Comparison: Quantum-Si (NASDAQ:QSI) vs. Quanterix (NASDAQ:QTRX) 
Quantum-Si to Provide a Business Update and Report Third Quarter 2026 Financial Results on November 5, 2026 
Quantum-Si Regains Compliance with Nasdaq Minimum Bid Price Requirement 
Leading Indicators For The October Breakout Cycle 
Beyond Elon Musk's Neuralink: Two Public Stocks With a Stake in the Brain Race 
Quantum-Si Stock Booms: What's Going On? 
12 Health Care Stocks Moving In Friday's Intraday Session 
2 Brain-Computer Interface Stocks to Watch While Neuralink Stays Private 
Quantum-Si Demonstrates Detection of 19 Amino Acids in Proteus Development Program; Co Is Now Working To Deploy That Capability Into A Developmental Sequencing Kit For Routine Use On Integrated Proteus Instruments 
Quantum-Si Demonstrates Detection of 19 Amino Acids in Proteus™ Development Program
Your note
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Insider holders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BENNETT TODD C | Officer | Stock Award(Grant) | Sep 16, 2024 | 510,152 |
| DOWDY PAULA | Director | Stock Award(Grant) | Mar 21, 2024 | 159,217 |
| HAWKINS JEFFREY ALAN | Chief Executive Officer | Purchase | Aug 8, 2024 | 1,003,760 |
| JAFRI AMIR | Director | Stock Award(Grant) | Sep 24, 2023 | 115,942 |
| JOHNSTON GRACE | Officer | Sale | Jun 23, 2024 | 295,940 |
| KENNY JOHN P | Director | Stock Award(Grant) | May 21, 2023 | 114,285 |
Institution ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| ARK Investment Management, LLC | 9.65% | 11,842,609 | 15.51M | Sep 29, 2024 |
| Sumitomo Mitsui Trust Holdings, Inc. | 6.15% | 7,547,912 | 9.89M | Sep 29, 2024 |
| Nikko Asset Management Americas, Inc. | 6.13% | 7,527,912 | 9.86M | Sep 29, 2024 |
| Blackrock Inc. | 5.62% | 6,900,127 | 9.04M | Sep 29, 2024 |
| Vanguard Group Inc | 4.10% | 5,037,258 | 6.60M | Sep 29, 2024 |
| Geode Capital Management, LLC | 1.89% | 2,316,921 | 3.04M | Sep 29, 2024 |
Fund ownership
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| ARK ETF Tr-ARK Genomic Revolution ETF | 9.36% | 11,497,793 | 15.06M | Oct 30, 2024 |
| Vanguard Total Stock Market Index Fund | 2.46% | 3,017,586 | 3.95M | Sep 29, 2024 |
| iShares Russell 2000 ETF | 1.99% | 2,441,722 | 3.20M | Oct 30, 2024 |
| Vanguard Extended Market Index Fund | 1.04% | 1,276,774 | 1.67M | Sep 29, 2024 |
| Fidelity Small Cap Index Fund | 0.84% | 1,027,584 | 1.35M | Aug 30, 2024 |
| iShares Russell 2000 Value ETF | 0.83% | 1,023,701 | 1.34M | Oct 30, 2024 |